Home / 15,540,269,908.20-23,310,404,862.30-12,819,291,988.20

Finding the Fourth Proportional to 15,540,269,908.20, 23,310,404,862.30 and 12,819,291,988.20

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Solution

The fourth proportional to 15,540,269,908.20, 23,310,404,862.30 and 12,819,291,988.20 is: 19,228,937,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,540,269,908.20 : 23,310,404,862.30 = 12,819,291,988.20 : x
  2. Step 2: Convert to fraction form
    15,540,269,908.20/23,310,404,862.30 = 12,819,291,988.20/x
  3. Step 3: Cross multiply
    15,540,269,908.20x = 23,310,404,862.30 × 12,819,291,988.20
  4. Step 4: Simplify right side
    15,540,269,908.20x = 298,822,886,292,980,695,040
  5. Step 5: Solve for x
    x = 298,822,886,292,980,695,040/15,540,269,908.20
  6. Step 6: Final answer
    x = 19,228,937,982.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.